                                             (perun/report-info "collection" "rendered collection %s" page)
                                             new-entry)))
                                       grouped-files))
-                    updated-files    (apply conj files new-files)
+                    updated-files    (apply conj files (trace :perun/collection new-files))
                     updated-fileset  (perun/set-meta fileset updated-files)]
                   (commit updated-fileset tmp))))))
 

    (let [files           (perun/get-meta fileset)
          global-meta     (perun/get-global-meta fileset)
          now             (java.util.Date.)
          updated-files   (map #(assoc % :date-build now) files)
          new-global-meta (assoc global-meta :date-build now)
          updated-fs      (perun/set-meta fileset updated-files)]
        (perun/report-debug "build-date" "added :date-build" (map :date-build updated-files))

  (let [pod (create-pod gravatar-deps)]
    (boot/with-pre-wrap fileset
      (let [files         (perun/get-meta fileset)
            updated-files (trace :perun/gravatar
                                 (pod/with-call-in @pod
                                   (io.perun.gravatar/find-gravatar ~files ~source-key ~target-key)))]
        (perun/report-debug "gravatar" "found gravatars" (map target-key updated-files))
       (perun/set-meta fileset updated-files)))))

